@article{jgg20241241,
author={{Djerossem, F¨¦lix Nenadji and Rirab¨¦, Ngarbagne and Ba?ssemia, Gustave Ronang and Klamadji, Moussa Ngarena and Malik, Malik Hisseine},
title={Lineament and Lithological Mapping of Meta-Sediments and Granitoids of Goz-Be?da (Eastern Chad) Based on Semi-Automatic Processing of Landsat 8 Oli/Tirs Images},
journal={Journal of Geosciences and Geomatics},
volume={12},
number={4},
pages={80--86},
year={2024},
url={https://pubs.sciepub.com/jgg/12/4/1},
issn={2373-6704},
abstract={Using Lansat-8 OLI/TIR image combined with field and pre-existing data permit us to create lineament and lithological map of Goz-Be?da area. The PCA images were subjected to Sobel directional filters using the semi-automatic extraction method to discriminate lineaments.  By combining the 7/5/1 bands in RGB mode, the PCA images (PCA1, PCA2, PCA3) in RGB mode and the ratio bands 7/5, 4/5, 1/7 are used to discriminate the lithological types. The results show that the main lineaments are characterized by NE-SW and NNE-SSW directions. The N-S, ENE-WSW and NW-SE directions correspond to mean directions. Several lithological types are discriminated: two-mica quartzite, metapelite, pyroxene monzonite, biotite granite and two-mica leucogranite. The rocks types are partially covered by alluvial deposits.},
doi={10.12691/jgg-12-4-1}
publisher={Science and Education Publishing}
}